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FDM supports gizmo: caching triangle normals in order to increase performance

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This commit is contained in:
Lukas Matena 2020-05-15 14:16:56 +02:00
parent e2ccc6ec0c
commit e312f3be43
3 changed files with 16 additions and 14 deletions
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6
src/slic3r/GUI/Gizmos/GLGizmoFdmSupports.cpp
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@ -506,8 +506,10 @@ void GLGizmoFdmSupports::update_vertex_buffers(const ModelVolume* mv,
if (status != type)
continue;
for (int i=0; i<3; ++i)
iva.push_geometry(mesh->its.vertices[mesh->its.indices[facet_idx](i)].cast<double>(),
MeshRaycaster::get_triangle_normal(mesh->its, facet_idx).cast<double>());
iva.push_geometry(
mesh->its.vertices[mesh->its.indices[facet_idx](i)].cast<double>(),
m_c->raycaster()->raycasters()[mesh_id]->get_triangle_normal(facet_idx).cast<double>()
);
iva.push_triangle(3*triangle_cnt, 3*triangle_cnt+1, 3*triangle_cnt+2);
++triangle_cnt;
}